Engineering Materials in EE The number of rings in the Bohr model of any element is determined by what? Column number on periodic table. Atomic mass. Row number on periodic table. Atomic number. Column number on periodic table. Atomic mass. Row number on periodic table. Atomic number. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. They have large magnetic susceptibility. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. They have large magnetic susceptibility. They have fixed value of μr. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The Bohr model of the atom explained the color lines in the hydrogen spectrum. All of these had some made-up rules without explanations. could not explain the line spectrum of atoms larger than hydrogen. explained the color lines in the hydrogen spectrum. All of these had some made-up rules without explanations. could not explain the line spectrum of atoms larger than hydrogen. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have large B-H loop area. high resistivity. low hysteresis coefficient. high retentivity. large B-H loop area. high resistivity. low hysteresis coefficient. high retentivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Copper Potassium niobate Lead zirconate titanate None of these Copper Potassium niobate Lead zirconate titanate None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the ferroelectric material ? Rochelle salt. All of these Potassium dihydrogen phosphate. Barium titanate. Rochelle salt. All of these Potassium dihydrogen phosphate. Barium titanate. ANSWER DOWNLOAD EXAMIANS APP